public async Task SubscribeAsync(string channel, Action <string, string> handler)
{
if (_redis.Connection == null)
{
await _redis.ConnectAsync();
}
try
{
var subscriber = _redis.Connection.GetSubscriber();
await subscriber.SubscribeAsync(_channelPrefix + channel, (redisChannel, redisValue) =>
{
var tokens = redisValue.ToString().Split('/').ToArray();
if (tokens.Length != 2 || tokens[0].Length == 0 || tokens[0].Equals(_hostName, StringComparison.OrdinalIgnoreCase))
{
return;
}
handler(channel, tokens[1]);
});
}
catch (Exception e)
{
_logger.LogError(e, "'Unable to subscribe to the channel {ChannelName}'.", _channelPrefix + channel);
}
}
public async Task TagAsync(string key, params string[] tags)
{
if (_redis.Database == null)
{
await _redis.ConnectAsync();
if (_redis.Database == null)
{
_logger.LogError("Fails to add the '{KeyName}' to the {PrefixName} tags.", key, _prefix);
return;
}
}
try
{
foreach (var tag in tags)
{
await _redis.Database.SetAddAsync(_prefix + tag, key);
}
}
catch (Exception e)
{
_logger.LogError(e, "Fails to add the '{KeyName}' to the {PrefixName} tags.", key, _prefix);
}
}
public async Task TagAsync(string key, params string[] tags)
{
if (_redis.Database == null)
{
await _redis.ConnectAsync();
}
foreach (var tag in tags)
{
await _redis.Database.SetAddAsync(_prefix + tag, key);
}
}